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Load data for .280 Ackley Improved + .284 | 120gr | Merlin Virtus

Recommended Powder(s): Alliant Reloder-17, Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 60, SNPE Vectan SP 11

.280 Ackley Improved + .284 | 120gr | Merlin Virtus

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 120gr | Merlin Virtus
Manufacturer SKU:
Merlin-0.284-120
Bullet Weight:
120gr | 7.8g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.150" | 29.2mm
Caliber:
.280 Ackley Improved load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
3.280" | 83.3mm
Seated Depth:
0.410" | 10.4mm
Shank Seated Depth:
0.288" | 7.3mm
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B10756_C285
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 194 loads in caliber .280 Ackley Improved with .284 | 120gr | Merlin Virtus bullet and 97 powders such as Alliant Reloder-17, Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 60, SNPE Vectan SP 11. The key underlying parameters are shown in the table above.

  • Important Notice: DO NOT go below Minimum Charge or above Maximum Charge unless there are reasons. Since xxlreloading.com has no control over the equipment and components used by the customer and the data used in connection with the website, any responsibility and liability for the results achieved is rejected. Also see our Terms of Service

    Questions regarding the load data: Please read the information in the next tab "Explanations".

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  • .

    Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

    Our default view only displays powders/loads that fulfill certain criteria: Max pressure of a load <=90% of Max. Standardized Pressure. Fill Rate (Min FR): >80% and <100% for rife loads,  >60% and <100% for pistol loads. Min. Propellant Combustion (Min z): >90% for rifle loads , >80% for pistol/revolver loads. Relax these criteria at your own risk to potentially get more powders shown in the load tables.

Click on the desired row in the tables below to add a specific load / powder to your Diary and manage there.

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
87%
58247
90%
**02
100%
ADI AR 2208
<<locked>>
92%
57653
89%
**66
100%
[ADI AR 2209]*
<<locked>>
97%
45310
70%
**99
92%
Accurate 2015
<<locked>>
84%
57856
89%
**81
100%
Accurate 2200
<<locked>>
86%
58421
90%
**69
99%
Accurate 2495
<<locked>>
86%
57725
89%
**40
100%
Accurate 2520
<<locked>>
85%
57972
89%
**66
100%
Accurate 2700
<<locked>>
93%
57740
89%
**04
97%
[Accurate 3100]*
<<locked>>
97%
37913
58%
**31
94%
Accurate 4064
<<locked>>
92%
58189
90%
**59
100%
Accurate 4350
<<locked>>
97%
53316
82%
**66
99%
Alliant AR-Comp
<<locked>>
85%
58044
89%
**20
100%
Alliant Reloder- TS 15.5
<<locked>>
93%
58334
90%
**96
100%
Alliant Reloder-15
<<locked>>
90%
58436
90%
**19
100%
Alliant Reloder-16
<<locked>>
97%
51648
79%
**79
99%
Alliant Reloder-17 👍
<<locked>>
96%
58001
89%
**01
100%
[Alliant Reloder-19]*
<<locked>>
97%
44817
69%
**95
92%
Alliant Reloder-23
<<locked>>
97%
36405
56%
**64
97%
Alliant Reloder-26
<<locked>>
97%
40756
63%
**25
96%
Baschieri & Pellagri 107
<<locked>>
87%
57812
89%
**99
100%
Hodgdon BL-C2
<<locked>>
85%
58378
90%
**02
100%
Hodgdon Benchmark
<<locked>>
85%
58218
90%
**20
100%
Hodgdon CFE223 👍
<<locked>>
90%
57957
89%
**32
100%
Hodgdon H322
<<locked>>
84%
57595
89%
**36
100%
Hodgdon H380
<<locked>>
92%
58001
89%
**05
99%
Hodgdon H414
<<locked>>
95%
58001
89%
**51
98%
Hodgdon H4350
<<locked>>
97%
49603
76%
**35
95%
Hodgdon Hybrid 100V
<<locked>>
97%
48037
74%
**45
99%
Hodgdon LVR
<<locked>>
97%
57479
88%
**35
99%
Hodgdon Superperformance
<<locked>>
97%
57522
89%
**64
97%
Hodgdon VARGET
<<locked>>
93%
58088
89%
**79
100%
Hodgdon TrailBoss
<<locked>>
97%
34011
52%
**36
100%
IMR 3031
<<locked>>
89%
57682
89%
**73
100%
IMR 4064
<<locked>>
94%
58407
90%
**69
100%
IMR 4166 Enduron
<<locked>>
94%
58334
90%
**46
98%
IMR 4350
<<locked>>
97%
52518
81%
**94
96%
IMR 4451 Enduron
<<locked>>
95%
58030
89%
**73
98%
IMR 4831
<<locked>>
97%
45179
70%
**99
98%
IMR 4895
<<locked>>
89%
58073
89%
**19
100%
IMR 8208 XBR
<<locked>>
86%
58102
89%
**59
100%
Lovex D073.6
<<locked>>
87%
57972
89%
**66
100%
Lovex S060
<<locked>>
87%
57972
89%
**27
100%
Lovex S062
<<locked>>
91%
58073
89%
**63
100%
Lovex S065
<<locked>>
97%
56782
87%
**53
99%
Lovex S070
<<locked>>
97%
54143
83%
**23
97%
Norma 201
<<locked>>
88%
58160
90%
**59
100%
Norma 202
<<locked>>
88%
57870
89%
**50
100%
Norma 203B
<<locked>>
91%
58407
90%
**22
100%
Norma 204
<<locked>>
97%
53606
83%
**46
95%
[Norma MRP]*
<<locked>>
97%
40843
63%
**82
93%
Norma URP
<<locked>>
97%
52431
81%
**56
99%
Ramshot Big Game 👍
<<locked>>
90%
57856
89%
**25
100%
Ramshot Hunter
<<locked>>
97%
51706
80%
**50
97%
Ramshot TAC
<<locked>>
86%
58189
90%
**66
99%
Ramshot Wild Boar
<<locked>>
86%
58059
89%
**89
100%
Ramshot X-Terminator
<<locked>>
83%
58117
89%
**40
100%
ReloadSwiss RS 14
<<locked>>
97%
34258
53%
**78
100%
ReloadSwiss RS 50
<<locked>>
91%
57624
89%
**69
98%
ReloadSwiss RS 52
<<locked>>
91%
58160
90%
**32
100%
ReloadSwiss RS 60 👍
<<locked>>
96%
58001
89%
**30
100%
ReloadSwiss RS 62
<<locked>>
97%
53127
82%
**86
99%
ReloadSwiss RS 70
<<locked>>
97%
53127
82%
**28
99%
Rottweil R 901
<<locked>>
86%
58073
89%
**33
100%
Rottweil R 902
<<locked>>
90%
58204
90%
**43
100%
Rottweil R 903
<<locked>>
94%
57986
89%
**89
100%
[Rottweil R 904]*
<<locked>>
97%
46992
72%
**86
92%
[Rottweil R 905]*
<<locked>>
97%
43656
67%
**79
92%
Rottweil R 907
<<locked>>
96%
58044
89%
**73
97%
SNPE Vectan SP 11 👍
<<locked>>
93%
58117
89%
**25
100%
SNPE Vectan SP 7
<<locked>>
86%
58349
90%
**69
99%
SNPE Vectan SP 9
<<locked>>
88%
58436
90%
**86
100%
SNPE Vectan Tubal 3000
<<locked>>
87%
57493
88%
**64
100%
SNPE Vectan Tubal 5000
<<locked>>
93%
57667
89%
**58
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
57870
89%
**07
98%
Shooters World Long Rifle
<<locked>>
97%
56782
87%
**53
99%
Shooters World Match Rifle
<<locked>>
87%
57972
89%
**66
100%
Shooters World Precision
<<locked>>
91%
58073
89%
**63
100%
Somchem S321
<<locked>>
83%
58479
90%
**73
100%
Somchem S335
<<locked>>
88%
57972
89%
**74
100%
Somchem S341
<<locked>>
86%
58088
89%
**66
100%
Somchem S355
<<locked>>
94%
58044
89%
**86
100%
Somchem S365
<<locked>>
97%
46876
72%
**97
100%
[Somchem S385]*
<<locked>>
97%
43743
67%
**49
94%
Vihtavuori N130
<<locked>>
84%
58189
90%
**45
100%
Vihtavuori N133
<<locked>>
89%
57754
89%
**51
100%
Vihtavuori N135
<<locked>>
95%
57653
89%
**07
100%
Vihtavuori N140
<<locked>>
90%
57798
89%
**10
100%
Vihtavuori N150
<<locked>>
97%
53882
83%
**84
100%
Vihtavuori N160
<<locked>>
96%
57551
89%
**89
99%
Vihtavuori N530
<<locked>>
84%
58044
89%
**76
100%
Vihtavuori N540
<<locked>>
90%
58088
89%
**46
100%
Vihtavuori N550
<<locked>>
96%
57696
89%
**32
99%
Vihtavuori N555
<<locked>>
97%
39987
62%
**49
97%
Winchester 6.5 StaBALL
<<locked>>
97%
55419
85%
**36
100%
Winchester 748
<<locked>>
83%
58479
90%
**02
100%
Winchester 760
<<locked>>
95%
58001
89%
**51
98%
Winchester StaBALL HD
<<locked>>
97%
32677
50%
**28
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
47384
73%
**02
99%
ADI AR 2208
<<locked>>
81%
40437
62%
**41
97%
[ADI AR 2209]*
<<locked>>
93%
40393
62%
**87
90%
Accurate 2015
<<locked>>
81%
53447
82%
**09
100%
Accurate 2200
<<locked>>
81%
49603
76%
**18
98%
Accurate 2495
<<locked>>
81%
48660
75%
**02
100%
Accurate 2520
<<locked>>
81%
49806
77%
**38
100%
[Accurate 2700]*
<<locked>>
81%
38725
60%
**40
91%
[Accurate 3100]*
<<locked>>
91%
31169
48%
**48
90%
Accurate 4064
<<locked>>
81%
41031
63%
**64
100%
[Accurate 4350]*
<<locked>>
81%
30110
46%
**51
92%
Alliant AR-Comp
<<locked>>
81%
50430
78%
**12
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
39914
61%
**54
98%
Alliant Reloder-15
<<locked>>
81%
42772
66%
**23
98%
[Alliant Reloder-16]*
<<locked>>
81%
30908
48%
**71
92%
Alliant Reloder-17
<<locked>>
81%
34519
53%
**18
96%
[Alliant Reloder-19]*
<<locked>>
93%
39378
61%
**67
90%
[Alliant Reloder-23]*
<<locked>>
85%
25527
39%
**07
90%
[Alliant Reloder-26]*
<<locked>>
89%
30545
47%
**20
90%
Baschieri & Pellagri 107
<<locked>>
81%
47079
72%
**12
98%
Hodgdon BL-C2
<<locked>>
81%
49734
77%
**68
100%
Hodgdon Benchmark
<<locked>>
81%
51300
79%
**12
100%
Hodgdon CFE223
<<locked>>
81%
41640
64%
**36
97%
Hodgdon H322
<<locked>>
81%
53185
82%
**71
100%
Hodgdon H380
<<locked>>
81%
40451
62%
**64
96%
[Hodgdon H414]*
<<locked>>
81%
35766
55%
**95
91%
[Hodgdon H4350]*
<<locked>>
86%
35839
55%
**26
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
28282
44%
**62
93%
[Hodgdon LVR]*
<<locked>>
81%
33460
51%
**23
93%
[Hodgdon Superperformance]*
<<locked>>
84%
36274
56%
**12
90%
Hodgdon VARGET
<<locked>>
81%
39987
62%
**35
97%
Hodgdon TrailBoss
<<locked>>
81%
26672
41%
**68
100%
IMR 3031
<<locked>>
81%
43743
67%
**46
100%
IMR 4064
<<locked>>
81%
39276
60%
**08
97%
[IMR 4166 Enduron]*
<<locked>>
81%
39030
60%
**72
93%
[IMR 4350]*
<<locked>>
85%
35462
55%
**26
90%
[IMR 4451 Enduron]*
<<locked>>
81%
37173
57%
**49
92%
[IMR 4831]*
<<locked>>
81%
27006
42%
**30
90%
IMR 4895
<<locked>>
81%
43903
68%
**66
99%
IMR 8208 XBR
<<locked>>
81%
49530
76%
**18
100%
Lovex D073.6
<<locked>>
81%
46731
72%
**89
100%
Lovex S060
<<locked>>
81%
47195
73%
**43
99%
Lovex S062
<<locked>>
81%
42018
65%
**74
99%
[Lovex S065]*
<<locked>>
81%
34418
53%
**87
92%
[Lovex S070]*
<<locked>>
82%
33141
51%
**67
90%
Norma 201
<<locked>>
81%
46238
71%
**53
100%
Norma 202
<<locked>>
81%
46760
72%
**66
100%
Norma 203B
<<locked>>
81%
42264
65%
**13
98%
[Norma 204]*
<<locked>>
88%
39668
61%
**58
90%
[Norma MRP]*
<<locked>>
93%
35882
55%
**48
90%
[Norma URP]*
<<locked>>
81%
30835
47%
**64
92%
Ramshot Big Game
<<locked>>
81%
42264
65%
**40
98%
[Ramshot Hunter]*
<<locked>>
83%
32227
50%
**97
90%
Ramshot TAC
<<locked>>
81%
49951
77%
**28
98%
Ramshot Wild Boar
<<locked>>
81%
49559
76%
**51
99%
Ramshot X-Terminator
<<locked>>
81%
53650
83%
**71
100%
ReloadSwiss RS 14
<<locked>>
81%
26963
41%
**08
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
41133
63%
**54
94%
ReloadSwiss RS 52
<<locked>>
81%
41437
64%
**33
99%
ReloadSwiss RS 60
<<locked>>
81%
33533
52%
**95
97%
[ReloadSwiss RS 62]*
<<locked>>
81%
30255
47%
**67
91%
[ReloadSwiss RS 70]*
<<locked>>
82%
31009
48%
**80
90%
Rottweil R 901
<<locked>>
81%
50256
77%
**05
100%
Rottweil R 902
<<locked>>
81%
44121
68%
**07
99%
Rottweil R 903
<<locked>>
81%
37304
57%
**95
98%
[Rottweil R 904]*
<<locked>>
94%
43265
67%
**04
90%
[Rottweil R 905]*
<<locked>>
93%
38638
59%
**58
90%
[Rottweil R 907]*
<<locked>>
81%
35592
55%
**03
90%
SNPE Vectan SP 11
<<locked>>
81%
38450
59%
**54
97%
SNPE Vectan SP 7
<<locked>>
81%
48080
74%
**92
98%
SNPE Vectan SP 9
<<locked>>
81%
45963
71%
**69
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
47935
74%
**10
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
39871
61%
**53
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
33562
52%
**21
90%
[Shooters World Long Rifle]*
<<locked>>
81%
34418
53%
**87
92%
Shooters World Match Rifle
<<locked>>
81%
46731
72%
**89
100%
Shooters World Precision
<<locked>>
81%
42018
65%
**74
99%
Somchem S321
<<locked>>
81%
54027
83%
**07
100%
Somchem S335
<<locked>>
81%
47195
73%
**04
100%
Somchem S341
<<locked>>
81%
47863
74%
**89
99%
Somchem S355
<<locked>>
81%
38000
58%
**99
97%
Somchem S365
<<locked>>
81%
27572
42%
**98
95%
[Somchem S385]*
<<locked>>
91%
35810
55%
**62
90%
Vihtavuori N130
<<locked>>
81%
52765
81%
**63
100%
Vihtavuori N133
<<locked>>
81%
45107
69%
**51
100%
Vihtavuori N135
<<locked>>
81%
36941
57%
**43
100%
Vihtavuori N140
<<locked>>
81%
43801
67%
**84
100%
Vihtavuori N150
<<locked>>
81%
32343
50%
**41
97%
[Vihtavuori N160]*
<<locked>>
81%
33489
52%
**03
94%
Vihtavuori N530
<<locked>>
81%
52533
81%
**81
100%
Vihtavuori N540
<<locked>>
81%
43482
67%
**07
100%
[Vihtavuori N550]*
<<locked>>
81%
33924
52%
**46
94%
[Vihtavuori N555]*
<<locked>>
85%
26281
40%
**66
90%
Winchester 6.5 StaBALL
<<locked>>
81%
32169
50%
**51
96%
Winchester 748
<<locked>>
81%
53983
83%
**36
100%
[Winchester 760]*
<<locked>>
81%
35766
55%
**95
91%
[Winchester StaBALL HD]*
<<locked>>
91%
26527
41%
**92
90%

Start Load - Barrel Length: 23.60''

Any powder missing? Then click here.

FR ... fill rate of the cartridge in percent

MaxP ... max. pressure of load in psi or bar

% ... max. pressure of load in percent of the maximum allowed pressure for this caliber 

V(0) ... muzzle velocity in feet per second (fps) or  meters per second (m/s)

z ... powder burnt in percent

[...] *... not dangerous but load has suboptimal powder burnt with possible characteristics such as extensive muzzle flash or inaccurate loads.

[...] ²... fill rate low - you might want to consider using a filler to ensure proper ignition.

[...] ᴾ... possible press load - work up slowly to this load while watching for signs of excessive pressure.

👍  ... recommended powder/load for this caliber and bullet combination based on its ballistic performance.

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